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The IceCube realtime alert system
Univ Adelaide, Dept Phys, Adelaide, SA 5005, Australia..
DESY, D-15735 Zeuthen, Germany..
Univ Canterbury, Dept Phys & Astron, Private Bag 4800, Christchurch, New Zealand..
Univ Libre Bruxelles, Sci Fac, CP230, B-1050 Brussels, Belgium..
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2017 (English)In: Astroparticle physics, ISSN 0927-6505, E-ISSN 1873-2852, Vol. 92, 30-41 p.Article in journal (Refereed) Published
Abstract [en]

Although high-energy astrophysical neutrinos were discovered in 2013, their origin is still unknown. Aiming for the identification of an electromagnetic counterpart of a rapidly fading source, we have implemented a realtime analysis framework for the IceCube neutrino observatory. Several analyses selecting neutrinos of astrophysical origin are now operating in realtime at the detector site in Antarctica and are producing alerts for the community to enable rapid follow-up observations. The goal of these observations is to locate the astrophysical objects responsible for these neutrino signals. This paper highlights the infrastructure in place both at the South Pole site and at IceCube facilities in the north that have enabled this fast follow-up program to be implemented. Additionally, this paper presents the first realtime analyses to be activated within this framework, highlights their sensitivities to astrophysical neutrinos and background event rates, and presents an outlook for future discoveries.

Place, publisher, year, edition, pages
2017. Vol. 92, 30-41 p.
Keyword [en]
Neutrino astronomy, Neutrino detectors, Transient sources, Multi-messenger astronomy
National Category
Astronomy, Astrophysics and Cosmology
Identifiers
URN: urn:nbn:se:uu:diva-329696DOI: 10.1016/j.astropartphys.2017.05.002ISI: 000403987800005OAI: oai:DiVA.org:uu-329696DiVA: diva2:1148284
Funder
Swedish Research CouncilSwedish Polar Research SecretariatSwedish National Infrastructure for Computing (SNIC)Knut and Alice Wallenberg FoundationGerman Research Foundation (DFG)Australian Research CouncilDanish National Research Foundation
Available from: 2017-10-10 Created: 2017-10-10 Last updated: 2017-10-10Bibliographically approved

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Botner, OlgaBurgman, AlexanderEuler, SebastianHallgren, AllanPérez de los Heros, CarlosStröm, RickardTaavola, HenricUnger, E.

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